Raita Public toilets are developed in Finland. They are designed for public use. They work odorlessly,hygienically and environmentally friendly.Biotoilets utilize the natural biodegradation process - organic matter and nutrients are biodegradaded with microbial activity - by composting.Biotoilets use DryMix composting substance, which is dosed when using the toilet. Composting is effective - the result is 2-3% odorless compost of the waste after 8-10 weeks of composting.Biotank toilet collects the waste in a tank from which it isemptied by a tanker for further processing to the municipalwastewater treatment plant.The waste is treated with Smell-Off liquid, which startsbiodegradation of the waste in the tank eliminating odors.